This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...

You could put the Arduino in deep sleep, if you wanted to and that LED will still blink. With a little work, you could probably adapt this idea to any number of circuits out of the 555 playbook ...

Here the sketch make the first LED (onboard-D13) blink with the values read from the joystck sensors as a direct visual feedback of how we handle the joystick. In idle state, this LED blinks at a ...